package com.kkb.project.admin.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @ClassName MybatisConfig
 * @Author River
 * @Date 2021/4/21 14:48
 * @Description Mybatis-Plus配置
 * @Version 1.0
 * @EnableTransactionManagement 开启事务支持 增删改需要在Service方法中 添加注解 @Transactional
 **/
@Configuration
@EnableTransactionManagement
@MapperScan("com.kkb.project.admin.dao")
public class MybatisConfig {


    /**
     * 新的分页插件,一缓和二缓遵循mybatis的规则,需要设置 MybatisConfiguration#useDeprecatedExecutor = false 避免缓存出现问题(该属性会在旧插件移除后一同移除)
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }

    /**
     * 乐观锁配置
     */
    @Bean
    public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
        OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor = new OptimisticLockerInnerInterceptor();
        return optimisticLockerInnerInterceptor;
    }

    /**
     * mybatis-plus新版乐观锁配置
     */
    @Bean
    public MybatisPlusInterceptor optimisticLockerInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        return interceptor;
    }
}
